Bloomer's Commercial Cryptograph: A Telegraph Code and Double Index-holocryptic Cipher
Bookreader Item Preview
3,317 Views
3 Favorites
IN COLLECTIONS
Uploaded by Unknown on
Ask the publishers to restore access to 500,000+ books.
"By the use of this work business communications of whatever nature may be telegraphed with secrecy and economy."
3,317 Views
3 Favorites
For users with print-disabilities
Uploaded by Unknown on